Hi, All.

There were some questions and discussion about Apache ORC release cadence
at our GitHub PR. I want to share it with you and get your opinion on it.

https://github.com/apache/orc/pull/936#issuecomment-944017204

According to our release page, Apache ORC release cadence requires
one or two years for the next minor version.

https://orc.apache.org/docs/releases.html
    - 1.4.0: 2017-05-08
    - 1.5.0: 2018-05-14 (About 1 year and 6 days)
    - 1.6.0: 2019-09-03 (About 1 year and 4 month)
    - 1.7.0: 2021-09-15 (About 2 years and 12 days)
    - 1.8.0: 2023-09-15 (About 2 years?)

Apache ORC release cadence is also related to the EOL of the old releases.
For example,
    - 1.5.x was maintained for 40 months and was archived on 2021-09-15.
    - 1.6.x EOL is expected on 2022-09-03 if we maintain it for 3 years.
    - 1.7.x EOL is expected on 2024-09-15 if we maintain it for 3 years.

What is your expectation on Apache ORC release cadence?

Dongjoon

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